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1. How to adjust the display history data of a flowmeter
The method of adjusting the display history data of a flowmeter varies depending on the type, and the core is achieved through mechanical adjustment or electronic menu settings. 1. Mechanical flow meters usually come with counters, and some models can be manually adjusted directly. First, find the adjustment knob or dial of the counter, which is usually located outside the flowmeter. Adjust the number to the desired historical data by rotating the knob or turning the dial. Manual adjustment requires careful operation to avoid damaging the counter, and calibration must be performed after adjustment to ensure accurate data
2. Intelligent electronic flowmeter 2.1 button operation adjustment. On the flowmeter operation panel, press the "Set Tanlu Calendar" button to enter the menu, find "History Data" or similar options, use the directional keys to modify the values, and press the "Confirm" button to save. The menu options for different brands and models may vary, please refer to the product manual for operation
2.2 Communication interface connection adjustment Use a dedicated communication cable to connect the flowmeter to a computer or other external device, and install the corresponding configuration software. After opening the software and establishing a Tonghuapaixun connection, find the process data setting option in the interface, enter the values that need to be adjusted, and click the "Send" or "Save" button to transfer the new data. Before operation, it is necessary to back up the original settings and ensure that the communication connection is normal and the software version is compatible. If the above methods cannot solve the problem
2. How to read the floating point display data of the flowmeter
To read the floating point display data of the flowmeter, it is necessary to first confirm the display type and match the range unit, and then read the valid values according to the display logic. Remote reading also needs to match the corresponding communication protocol parsing format..
1. Read floating point data locally (1) Confirm basic parameters 1 Clearly display content types: distinguish between instantaneous flow rate, cumulative flow rate, operating condition flow rate/standard condition flow rate. The floating point values on the local display screen of most intelligent flow meters are measured values with decimal points
2. Check the range and unit: check the calibrated range of the flow meter, for example, the calibrated range of the vortex flowmeter is 0~1000m ³/h, and the key displays a floating point value of 23.56, corresponding to an instantaneous flow rate of 23.56m ³/h; Some flow meters support custom units, and it is necessary to confirm that the currently displayed units are preset values such as L/min and Nm ³/h. （2） Directly read the valid value 1 Instantaneous Flow Floating Point Value: Directly read the complete numerical value before and after the decimal point, for example, when the display screen shows 12.78, it is the flow value of the unit corresponding to the current instantaneous flow rate of 12.78
2. Cumulative Flow Floating Point Value: Distinguish between integer and decimal places, for example, when displayed as 1567.23, it represents that the cumulative flow rate of 15
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